459. Trouble shooting guideQ. What kind of camera should I buy for this DVR?A. Any BNC or RCA interface indoor/outdoor/infrared camera will work with the DVR. It doesn’t matterwhether it’s a color or black/white camera. However, web cameras that require a USB interface are notcompatible with the DVR.Q. What kind of alarm device should I buy for DVR?A. Most sound alarms are compatible with our DVR.Q. I can’t turn on DVR.A. Make sure that the power cord is plugged in correctly and the power light on DVR front panel is on.Q. I see nothing but a blue screen after I turn on DVR.A. Check the camera input and video output connection on DVR back panel. If you can’t find problemwith these connections, check whether the camera power cable is firmly connected. Make sure thesystem format for NTSC and PAL is right.Q. Can I prevent other people from stopping the recording while I am gone?A. If the DVR is in schedule or recording mode, set password “on” in menu setup, no one can changethe set unless he has the right password.Q. How can I erase all data on the hard disk drive?A. Select “HDD Format Set” option in the menu.Q. Can my desktop PC read the video data on hard disk drive in DVR?A. Yes, you can use our software to read all video data on hard disk.Q. What happens if I install my PC hard disk drive into the DVR?A. You can use a PC hard disk drive in the DVR. However, once it runs in DVR, it will delete any PCoperation system and files on the hard disk drive.Q. What kind of hard disk drive should I purchase to make the DVR run?A. Any PC compatible IDE, ATA hard disk drive will work.Q. What is the capacity to record?A. Up to a year with two 120 GB HDD at the lowest quality setting when set at 1 frame per second.Q. Does this DVR come with a remote control either hardwire or wireless?A. Yes, there is a remote control come with the DVR.